Home / 3,731.10-5,146.65-2,684.58

Finding the Fourth Proportional to 3,731.10, 5,146.65 and 2,684.58

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Solution

The fourth proportional to 3,731.10, 5,146.65 and 2,684.58 is: 3,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.10 : 5,146.65 = 2,684.58 : x
  2. Step 2: Convert to fraction form
    3,731.10/5,146.65 = 2,684.58/x
  3. Step 3: Cross multiply
    3,731.10x = 5,146.65 × 2,684.58
  4. Step 4: Simplify right side
    3,731.10x = 13,816,593.66
  5. Step 5: Solve for x
    x = 13,816,593.66/3,731.10
  6. Step 6: Final answer
    x = 3,703.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.